Ksilorama

* Catch a racy ValueError that could occur on exit.
* Create README-hacking.md, for Colorama contributors.
* Tweak some README unicode characters that don't render correctly on PyPI.
* Fix some tests that were failing on some operating systems.
* Add support for Python 3.9.
* Add support for PyPy3.
* Add support for pickling with the ``dill`` module.

* Re-org of README, to put the most insteresting parts near the top.
* Added Linux makefile targets and Windows powershell scripts to automate
bootstrapping a development environment, and automate the process of
testing wheels before they are uploaded to PyPI.
* Use stdlib unittest.mock where available
* Travis CI now also builds on arm64
* Demo06 demonstrates existing cursor positioning feature
* Fix OSC regex & handling to prevent hang or crash
* Document enterprise support by Tidelift

* Fix release 0.4.2 which was uploaded with missing files.

* 228: Drop support for EOL Python 3.4, and add 3.7 and 3.8. Thanks to
hugovk.
* Several additions and fixes to documentation and metadata.
* Added Tidelift subscription information.

* Fix issue 196: prevent exponential number of calls when calling 'init'
multiple times. Reported by bbayles and fixed by Delgan.

* Fix issue 142: reset LIGHT_EX colors with RESET_ALL. Reported by Delgan
* Fix issue 147: ignore invalid "erase" ANSI codes. Reported by shin-
* Fix issues 163 and 164: fix stream wrapping under PyCharm. Contributed by
veleek and Delgan.
* Thanks to jdufresne for various code cleanup and updates to documentation
and project metadata. (pull requests 171, 172, 173, 174, 176, 177,
189, 190, 192)
* 186: added contextlib magic methods to ansitowin32.StreamWrapper.
Contributed by hoefling.
* Fix issue 131: don't cache stdio handles, since they might be
closed/changed by fd redirection. This fixes an issue with pytest.
Contributed by segevfiner.
* 146, 157: Drop support for EOL Python 2.5, 2.6, 3.1, 3.2 and 3.3, and add
3.6. Thanks to hugovk.